*{
    margin: 0;
    padding: 0;
    list-style: none;
}
.big{
    width: 1400px;
    margin: 0 auto;
}
.box{
    width: 1400px;
    margin: 0 auto;
    height: 50px;
    background: grey;
    display: flex;
}
.ul_box{
    width:1000px;
    height: 50px;
    color:white;
    display: flex;
    justify-content: space-around;
    align-items: center;
    font-size: 12px;
}
.ul_box:hover{
    cursor: pointer;
}
.ol_box{
    width: 300px;
    height: 50px;
    color: white;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-left: 300px;
    font-size: 12px;
}
.ol_box:hover{
   cursor: pointer;
}

.nav_box{
    margin-top: 20px;
    width: 100%;
    height: 60px;
    /* background: palegreen; */
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}
.img_bar{
    width: 50px;
    height: 50px;
    background: orange;
}
.ul_min{
    width: 60%;
    display: flex;
    justify-content: space-around;
}
.input_box{
    width: 15%;
    height: 50%;
    margin-right: 20px;
}
.btn{
    /* margin-right: 50px; */
    position: absolute;
    width: 40px;
    height: 34px;
    right: 10px;
}
.ul_max{
    display: flex;
    margin-top: 30px;
    color: #838080;
    font-size: 12px;
}
.ul_foot{
    display: flex;
    width: 100%;
    height: 100px;
    background: #cccccc;
    justify-content: space-around;
    margin-top: 20px;
    align-items: center;
    /* text-decoration: none; */
}
.ul_foot>li>a{
    text-decoration: none;
    color: #252424;
}
.ul_foot>li>a:hover{
    color: lightsalmon;
    cursor: pointer;
}
img{
    width: 100%;
}